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server: Support creating processes with specified parent. 

Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=47817
Signed-off-by: Paul Gofman <gofmanp@gmail.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Paul Gofman 2019-12-12 14:18:31 +03:00 committed by Alexandre Julliard
parent b989a85484
commit 74a74556dd
11 changed files with 76 additions and 46 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
dlls/kernel32/tests/process.c
View File

@ -3861,14 +3861,14 @@ void test_parent_process_attribute(unsigned int level, HANDLE read_pipe)
memset(&parent_data, 0, sizeof(parent_data));
ret = ReadFile(read_pipe, &parent_data, sizeof(parent_data), &size, NULL);
todo_wine_if(level == 2) ok((level == 2 && ret) || (level == 1 && !ret && GetLastError() == ERROR_INVALID_HANDLE),
ok((level == 2 && ret) || (level == 1 && !ret && GetLastError() == ERROR_INVALID_HANDLE),
"Got unexpected ret %#x, level %u, GetLastError() %u.\n",
ret, level, GetLastError());
}
if (level == 2)
{
todo_wine ok(parent_id == parent_data.parent_id, "Got parent id %u, parent_data.parent_id %u.\n",
ok(parent_id == parent_data.parent_id, "Got parent id %u, parent_data.parent_id %u.\n",
parent_id, parent_data.parent_id);
return;
}

1
dlls/ntdll/process.c
View File

@ -1709,6 +1709,7 @@ NTSTATUS WINAPI RtlCreateUserProcess( UNICODE_STRING *path, ULONG attributes,
SERVER_START_REQ( new_process )
{
req->parent_process = wine_server_obj_handle(parent);
req->inherit_all = inherit;
req->create_flags = params->DebugFlags; /* hack: creation flags stored in DebugFlags for now */
req->socket_fd = socketfd[1];

4
include/wine/server_protocol.h
View File

@ -769,6 +769,7 @@ struct rawinput_device
struct new_process_request
{
struct request_header __header;
obj_handle_t parent_process;
int inherit_all;
unsigned int create_flags;
int socket_fd;
@ -779,6 +780,7 @@ struct new_process_request
/* VARARG(objattr,object_attributes); */
/* VARARG(info,startup_info,info_size); */
/* VARARG(env,unicode_str); */
char __pad_44[4];
};
struct new_process_reply
{
@ -6702,6 +6704,6 @@ union generic_reply
struct resume_process_reply resume_process_reply;
};
#define SERVER_PROTOCOL_VERSION 594
#define SERVER_PROTOCOL_VERSION 595
#endif /* __WINE_WINE_SERVER_PROTOCOL_H */

14
server/console.c
View File

@ -504,25 +504,25 @@ int free_console( struct process *process )
* 2/ parent is a renderer which launches process, and process should attach to the console
* rendered by parent
*/
void inherit_console(struct thread *parent_thread, struct process *process, obj_handle_t hconin)
void inherit_console( struct thread *parent_thread, struct process *parent, struct process *process,
obj_handle_t hconin )
{
int done = 0;
struct process* parent = parent_thread->process;
/* if parent is a renderer, then attach current process to its console
* a bit hacky....
*/
if (hconin)
if (hconin && parent_thread)
{
struct console_input* console;
struct console_input *console;
/* FIXME: should we check some access rights ? */
if ((console = (struct console_input*)get_handle_obj( parent, hconin,
if ((console = (struct console_input *)get_handle_obj( parent, hconin,
0, &console_input_ops )))
{
if (console->renderer == parent_thread)
{
process->console = (struct console_input*)grab_object( console );
process->console = (struct console_input *)grab_object( console );
process->console->num_proc++;
done = 1;
}
@ -533,7 +533,7 @@ void inherit_console(struct thread *parent_thread, struct process *process, obj_
/* otherwise, if parent has a console, attach child to this console */
if (!done && parent->console)
{
process->console = (struct console_input*)grab_object( parent->console );
process->console = (struct console_input *)grab_object( parent->console );
process->console->num_proc++;
}
}

28
server/process.c
View File

@ -1116,7 +1116,8 @@ DECL_HANDLER(new_process)
const struct security_descriptor *sd;
const struct object_attributes *objattr = get_req_object_attributes( &sd, &name, NULL );
struct process *process = NULL;
struct process *parent = current->process;
struct process *parent;
struct thread *parent_thread = current;
int socket_fd = thread_get_inflight_fd( current, req->socket_fd );
if (socket_fd == -1)
@ -1148,11 +1149,23 @@ DECL_HANDLER(new_process)
return;
}
if (req->parent_process)
{
if (!(parent = get_process_from_handle( req->parent_process, PROCESS_CREATE_PROCESS)))
{
close( socket_fd );
return;
}
parent_thread = NULL;
}
else parent = (struct process *)grab_object( current->process );
if (parent->job && (req->create_flags & CREATE_BREAKAWAY_FROM_JOB) &&
!(parent->job->limit_flags & (JOB_OBJECT_LIMIT_BREAKAWAY_OK | JOB_OBJECT_LIMIT_SILENT_BREAKAWAY_OK)))
{
set_error( STATUS_ACCESS_DENIED );
close( socket_fd );
release_object( parent );
return;
}
@ -1160,6 +1173,7 @@ DECL_HANDLER(new_process)
if (!(info = alloc_object( &startup_info_ops )))
{
close( socket_fd );
release_object( parent );
return;
}
info->process = NULL;
@ -1222,7 +1236,7 @@ DECL_HANDLER(new_process)
}
/* connect to the window station */
connect_process_winstation( process, current );
connect_process_winstation( process, parent_thread, parent );
/* set the process console */
if (!(req->create_flags & (DETACHED_PROCESS | CREATE_NEW_CONSOLE)))
@ -1231,7 +1245,7 @@ DECL_HANDLER(new_process)
* like if hConOut and hConIn are console handles, then they should be on the same
* physical console
*/
inherit_console( current, process, req->inherit_all ? info->data->hstdin : 0 );
inherit_console( parent_thread, parent, process, req->inherit_all ? info->data->hstdin : 0 );
}
if (!req->inherit_all && !(req->create_flags & CREATE_NEW_CONSOLE))
@ -1246,16 +1260,15 @@ DECL_HANDLER(new_process)
if (get_error() == STATUS_INVALID_HANDLE ||
get_error() == STATUS_OBJECT_TYPE_MISMATCH) clear_error();
}
/* attach to the debugger if requested */
if (req->create_flags & (DEBUG_PROCESS | DEBUG_ONLY_THIS_PROCESS))
{
set_process_debugger( process, current );
process->debug_children = !(req->create_flags & DEBUG_ONLY_THIS_PROCESS);
}
else if (parent->debugger && parent->debug_children)
else if (current->process->debugger && current->process->debug_children)
{
set_process_debugger( process, parent->debugger );
set_process_debugger( process, current->process->debugger );
/* debug_children is set to 1 by default */
}
@ -1265,10 +1278,11 @@ DECL_HANDLER(new_process)
info->process = (struct process *)grab_object( process );
reply->info = alloc_handle( current->process, info, SYNCHRONIZE, 0 );
reply->pid = get_process_id( process );
reply->handle = alloc_handle_no_access_check( parent, process, req->access, objattr->attributes );
reply->handle = alloc_handle_no_access_check( current->process, process, req->access, objattr->attributes );
done:
if (process) release_object( process );
release_object( parent );
release_object( info );
}

3
server/process.h
View File

@ -141,7 +141,8 @@ extern struct process_snapshot *process_snap( int *count );
extern void enum_processes( int (*cb)(struct process*, void*), void *user);
/* console functions */
extern void inherit_console(struct thread *parent_thread, struct process *process, obj_handle_t hconin);
extern void inherit_console( struct thread *parent_thread, struct process *parent,
struct process *process, obj_handle_t hconin );
extern int free_console( struct process *process );
extern struct thread *console_get_renderer( struct console_input *console );

1
server/protocol.def
View File

@ -783,6 +783,7 @@ struct rawinput_device
/* Create a new process from the context of the parent */
@REQ(new_process)
obj_handle_t parent_process; /* parent process */
int inherit_all; /* inherit all handles from parent */
unsigned int create_flags; /* creation flags */
int socket_fd; /* file descriptor for process socket */

17
server/request.h
View File

@ -745,14 +745,15 @@ C_ASSERT( sizeof(unsigned char) == 1 );
C_ASSERT( sizeof(unsigned int) == 4 );
C_ASSERT( sizeof(unsigned short) == 2 );
C_ASSERT( sizeof(user_handle_t) == 4 );
C_ASSERT( FIELD_OFFSET(struct new_process_request, inherit_all) == 12 );
C_ASSERT( FIELD_OFFSET(struct new_process_request, create_flags) == 16 );
C_ASSERT( FIELD_OFFSET(struct new_process_request, socket_fd) == 20 );
C_ASSERT( FIELD_OFFSET(struct new_process_request, exe_file) == 24 );
C_ASSERT( FIELD_OFFSET(struct new_process_request, access) == 28 );
C_ASSERT( FIELD_OFFSET(struct new_process_request, cpu) == 32 );
C_ASSERT( FIELD_OFFSET(struct new_process_request, info_size) == 36 );
C_ASSERT( sizeof(struct new_process_request) == 40 );
C_ASSERT( FIELD_OFFSET(struct new_process_request, parent_process) == 12 );
C_ASSERT( FIELD_OFFSET(struct new_process_request, inherit_all) == 16 );
C_ASSERT( FIELD_OFFSET(struct new_process_request, create_flags) == 20 );
C_ASSERT( FIELD_OFFSET(struct new_process_request, socket_fd) == 24 );
C_ASSERT( FIELD_OFFSET(struct new_process_request, exe_file) == 28 );
C_ASSERT( FIELD_OFFSET(struct new_process_request, access) == 32 );
C_ASSERT( FIELD_OFFSET(struct new_process_request, cpu) == 36 );
C_ASSERT( FIELD_OFFSET(struct new_process_request, info_size) == 40 );
C_ASSERT( sizeof(struct new_process_request) == 48 );
C_ASSERT( FIELD_OFFSET(struct new_process_reply, info) == 8 );
C_ASSERT( FIELD_OFFSET(struct new_process_reply, pid) == 12 );
C_ASSERT( FIELD_OFFSET(struct new_process_reply, handle) == 16 );

3
server/trace.c
View File

@ -1243,7 +1243,8 @@ typedef void (*dump_func)( const void *req );
static void dump_new_process_request( const struct new_process_request *req )
{
fprintf( stderr, " inherit_all=%d", req->inherit_all );
fprintf( stderr, " parent_process=%04x", req->parent_process );
fprintf( stderr, ", inherit_all=%d", req->inherit_all );
fprintf( stderr, ", create_flags=%08x", req->create_flags );
fprintf( stderr, ", socket_fd=%d", req->socket_fd );
fprintf( stderr, ", exe_file=%04x", req->exe_file );

3
server/user.h
View File

@ -183,7 +183,8 @@ extern client_ptr_t get_class_client_ptr( struct window_class *class );
extern struct desktop *get_desktop_obj( struct process *process, obj_handle_t handle, unsigned int access );
extern struct winstation *get_process_winstation( struct process *process, unsigned int access );
extern struct desktop *get_thread_desktop( struct thread *thread, unsigned int access );
extern void connect_process_winstation( struct process *process, struct thread *parent );
extern void connect_process_winstation( struct process *process, struct thread *parent_thread,
struct process *parent_process );
extern void set_process_default_desktop( struct process *process, struct desktop *desktop,
obj_handle_t handle );
extern void close_process_desktop( struct process *process );

26
server/winstation.c
View File

@ -372,7 +372,8 @@ void set_process_default_desktop( struct process *process, struct desktop *deskt
}
/* connect a process to its window station */
void connect_process_winstation( struct process *process, struct thread *parent )
void connect_process_winstation( struct process *process, struct thread *parent_thread,
struct process *parent_process )
{
struct winstation *winstation = NULL;
struct desktop *desktop = NULL;
@ -383,9 +384,9 @@ void connect_process_winstation( struct process *process, struct thread *parent
{
winstation = (struct winstation *)get_handle_obj( process, handle, 0, &winstation_ops );
}
else if (parent && parent->process->winstation)
else if (parent_process->winstation)
{
handle = duplicate_handle( parent->process, parent->process->winstation,
handle = duplicate_handle( parent_process, parent_process->winstation,
process, 0, 0, DUP_HANDLE_SAME_ACCESS );
winstation = (struct winstation *)get_handle_obj( process, handle, 0, &winstation_ops );
}
@ -397,14 +398,21 @@ void connect_process_winstation( struct process *process, struct thread *parent
desktop = get_desktop_obj( process, handle, 0 );
if (!desktop || desktop->winstation != winstation) goto done;
}
else if (parent && parent->desktop)
else
{
desktop = get_desktop_obj( parent->process, parent->desktop, 0 );
if (!desktop || desktop->winstation != winstation) goto done;
handle = duplicate_handle( parent->process, parent->desktop,
process, 0, 0, DUP_HANDLE_SAME_ACCESS );
}
if (parent_thread && parent_thread->desktop)
handle = parent_thread->desktop;
else if (parent_process->desktop)
handle = parent_process->desktop;
else
goto done;
desktop = get_desktop_obj( parent_process, handle, 0 );
if (!desktop || desktop->winstation != winstation) goto done;
handle = duplicate_handle( parent_process, handle, process, 0, 0, DUP_HANDLE_SAME_ACCESS );
}
if (handle) set_process_default_desktop( process, desktop, handle );
done: